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Welcome

Welcome to AX84® the base camp for tube (valve) electronics hobbyists.

AX84 exists to provide:

1) A great environment to learn about music-related electronics in general. AX84 is a place where those with experience are interested in helping diligent beginners who are willing to do their homework.

2) A place where those with more experience can field their ideas to peers and get useful feedback.

3) An environment that respects the past, but is not enslaved by it. INNOVATION IS GOOD (and it didn't die in the 1950s.) There are new things under the sun every day. Move the ball forward!

Our HUGE discussion area is under 'Discussion Forum' to your left.

We are hard at work improving the site- check back often!

Recent Forum Threads
"Preamp with integrated graphic eq: Signal ground Vs. Virtual gro"
Posted By EeroNiemela on 07/22/2014
I''ve been tinkering with the concept of adding a graphic eq to a tube preamp (ala Mesa).

The Graphic Eq schematic is this here:

[link]

It see...

Discuss this entry
"FS: Epi VJ Tweed Deluxe Head Project And Nevoibe Project"
Posted By Javaman on 07/21/2014
I have the following unfinished projects for sale :

1. Epi Valve Junior Conversion Tweed Deluxe head From PPwatt.com . This is a very Clean Build That needs debugging . It is Complete but does not...

Discuss this entry
"Cap coupeld reverb help"
Posted By reverberocket on 07/21/2014
Hello guys first time poster here.
I have some trouble with my reverb I build in my amp.
I build a reverb like a ampeg superb reverb in my tweed amp.
It sounds nice but if i close the pot of the r...

Discuss this entry
"SEL Effects Loop Noise"
Posted By DethRaid on 07/21/2014
I've added Mark Lautizer's effects loop (schematic at [link] ) to the SEL I built, but I get a rather high E flat ringing out when I'm not actively playing my ...

Discuss this entry
"Graphic EQ slide pot value"
Posted By EeroNiemela on 07/17/2014
Hi,

I have been looking into this GGG Schematic for a 5-6 band graphic EQ.

Schematic here:

[link]

The project calls for 5k linear pots, and...

Discuss this entry
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Updates: Tue, Jul 22nd, 2014 @ 19:29:40
Updates to pages about

'fxprojects'

have been completed.
Site News

2012-2-25: Winter is almost over. What's on your workbench?


2011-10-10: Some good discussions about LTSpice in the forums again, as well as suggestions on what all to do to a P1-eXtreme.


2011-10-10: What all can you do with a P1-extreme? check the forum


2011-10-7: Don't forget to like us on Facebook!


2011-08-11: Posted some Single-Ended Lead clips in the Classic Amp Projects->SEL section. Hundreds built but now we've got clips. Check out the archived projects section for more clips.


2010-10-22: Be sure to check out our discussion forum using the link on the left..


2009-07-01: The Treasure Fleet is on the way to Rio De La Hacha with a fortune in gold!


2009-04-32:
We're looking for media clips of recent builds... please stop by the forum and respond to the thread.

2008-10-4: Archived Projects section is functional again.

2008-9-18: RSS Feeds for the forum have been up for a while, but not advertised...
* Active Threads
* New Threads
* Recent Posts

2008-6-26: Want to participate in our discussion forums? You are welcome to read and lurk as you like. If you think you'd like to post with regularity, please sign up for an account.


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